Kōichi Dōmoto
Kōichi Oita
Kōichi Hashiratani
Kōichi Morishita
Kōichi Hashimoto
Kōichi Sugiyama
Kōichi Nakano
Kōichi Hirakida
Kōichi Sugiyama (calciatore)
Kōichi Kobayashi
Kōichi Tanaka
Kōichi Kudō
Kōichi Satō
Kōichi Mashimo
Koichi Tohei
Koichi Wada
Kōichi Tōchika
Koichi Zenigata
Kōichi Itagaki
Koichi Kidera
Koichi Fukuda
Kōichi Yamadera
Koichi Wajima
14445 Koichi
Koichi Wakata
Kōichi Yamamoto
Kōichi Shiozawa
Koichi Nishiyama
Diamond Is Unbreakable
Personaggi di Digimon Frontier